APA (7th ed.) Citation

Guo B., T. W. (2008). 80 minutes exercises for computer users. Foreign language Press.

Chicago Style (17th ed.) Citation

Guo B., Tom W. 80 Minutes Exercises for Computer Users. China: Foreign language Press, 2008.

MLA (8th ed.) Citation

Guo B., Tom W. 80 Minutes Exercises for Computer Users. Foreign language Press, 2008.